XRPL sponsorship can simplify onboarding, but reserve commitments need budgets, authorization and a verified exit. A tested policy core shows the boundaries.
Build a Spring AI advisor pipeline with clear responsibilities, bounded retries and explicit ordering, verified by 20 tests through the real ChatClient.
Build a Spring Cloud circuit breaker around a modern HTTP client, keep fallbacks honest, and verify failure and recovery with 18 integration tests.
You can build your first Spring endpoint in minutes. The harder question arrives when the application grows: where should the next piece of business logic live? This guide connects four ideas that are often introduced separately. Spring creates and connects application objects. Spring Boot supplies a convenient way to configure Read more
On October 9, 2026, BatchV1_1 became enabled on the XRP Ledger mainnet. For developers, this creates a practical way to group related ledger actions under one explicit execution policy. For software architects, it also creates a new responsibility: distinguish acceptance of the batch from completion of the business operation. The Read more
A package called orders does not become a bounded context just because its name sounds like the business. And an event called OrderConfirmed does not make an integration reliable just because a listener receives it on your laptop. The interesting direction in Spring Modulith is the connection between these two Read more
Test an AI payment authorization boundary in Java: tenant-scoped Spring AI tools, immutable approvals, fee caps and unsigned xrpl4j transactions.
Build a tested Java settlement boundary with xrpl4j: verify delivered value, issuer and final ledger evidence, then commit an idempotent credit and outbox event together.
Test Spring Framework 7 retries and concurrency limits with real proxies and virtual threads. Protect dependencies, avoid retry amplification, and understand timeout boundaries.
A worker can disappear after a credit commits. Durable orchestration preserves progress; a tested receiver contract makes repeated deliveries safe.